# SMART Service Tool vs AK

The clearest difference is rating: AK at 5.0 against SMART Service Tool's 3.4. AK also leads on iOS requirement (15.0 vs 26.0). SMART Service Tool's advantage is update cadence (every 3 weeks vs every 14 months) and ratings volume (21 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AK holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: SMART Service Tool has 21 ratings behind it against 1, so its average is the more settled of the two.

SMART Service Tool ships an update every 3 weeks, AK every 14 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SMART Service Tool | AK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (21 ratings)](https://appshunter.io/ios/app/smart-service-tool/id918610107/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ak-cc-connect/id1482250780/reviews)** |
| Number of ratings | **21** | 1 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 14 months |
| Monetization | Free | Free |
| Size | 62 MB | 17 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rodrigo Miranda](https://appshunter.io/developer/1742641426) | [Danfoss A/S](https://appshunter.io/developer/423984644) |

## What reviewers say

### SMART Service Tool

[App page](https://appshunter.io/ios/app/smart-service-tool/id918610107)

This tool helps HVACR technicians quickly convert pressure to temperature and calculate superheat/subcooling using refrigerant data. It offers selectable units, customizable displays, and the ability to record and email data.

**Highlights:** Pressure to temperature conversion, Superheat and subcooling calculation, Selectable units of measure, Digital or analog display modes, Record and email data, Over 65 refrigerants supported

**In-app purchases:** none


### AK

[App page](https://appshunter.io/ios/app/ak-cc-connect/id1482250780)

This application provides a user-friendly interface to connect with a Danfoss Bluetooth display for AK-CC case controllers. It offers a visual overview of controller functions, alarm details, live parameter monitoring, and quick setup capabilities.

**Highlights:** Bluetooth connectivity to AK-CC controllers, Visual overview of operation status, View alarm details and troubleshooting tips, Monitor live parameter graphs, Access main controls (Main Switch, Defrost), Quick Setup for controllers, Save and email setting files

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SMART Service Tool free?

SMART Service Tool is free to download, with no in-app purchases.

### Is AK free?

AK is free to download, with no in-app purchases.

### Which has better reviews, SMART Service Tool or AK?

AK is rated higher. SMART Service Tool averages 3.4 out of 5 from 21 ratings, while AK averages 5.0 from 1 ratings.

### Do SMART Service Tool or AK have ads?

Neither SMART Service Tool nor AK shows ads.

### Which is updated more often, SMART Service Tool or AK?

SMART Service Tool ships an update every 3 weeks, and AK every 14 months. Most recently, SMART Service Tool was updated on October 26, 2026 and AK on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*